[amsat-bb] sat-com (figured I better change the subject)

Howie DeFelice howied231 at hotmail.com
Thu Mar 27 13:17:14 PDT 2014

"I bet (a small bet anyway) my cell phone carrier doesn't save receive
frequency data accurate enough to determine what direction I am driving

You are probably right since the doppler shift is pretty small ( at least I hope it is :) ) on a
cellphone. The satellite access is MA-TDMA so the burst timing and frequency offset need to be tracked.
This is a useful performance metric when troubleshooting connectivity issues in a big network.

- Howie AB2S


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